Disposable wrist trap

ABSTRACT

Disposable wrist trap including conductive fibers or yarns and a fabric belt. The conductive fibers or yarns have a conductivity within 10 Ω/sq to 10 7  Ω/sq capable of removing static electricity entrained by human body. The conductive fibers or yarns are used in the fabric belt to form a wide fabric which is cut into a slender belt. One end of the belt is wound to form a loop, while the other end is connected with an insertion terminal, a clip member or a copper foil for grounding in accordance with conditions of different working sites. A user, especially the one who rarely contacts with electronic parts will be able to fit the wrist trap to the wrist or ankles more conveniently and comfortably.

BACKGROUND OF THE INVENTION

[0001] The present invention is related to a disposable wrist trap including a fabric belt in which special conductive fibers or yarns are used. The wrist lace is manufactured at a low cost and users will be able to fit the wrist lace to the wrist or ankles more conveniently and safely and to remove the entrained static electricity easily.

[0002] Static electricity will normally cause the damage to electronic circuit of the semiconductor in the field of electronic, biological and semiconductor industries. Also, a great amount of microparticle tends to attach to the electronic circuit and seriously contaminate the dustless room. In the case that a great amount of static electricity accumulates, the electricity may be discharged to produce sparks. Similarly, an explosion may take place when use of combustible or explosive gas. Therefore, it is necessary to eliminate static electricity in the above industrial fields. Furthermore, with respect to high technical and sophisticated electronic elements, when human body contacts with the electronic elements, the static electricity entrained by the human body itself often damages the circuit. In order to protect such electronic elements, it is necessary to remove the static electricity.

[0003] The commercial design is a wrist lace combined with 1 MΩ resistor is generally worn on user's wrist for removing the static electricity. The wrist trap is made of an velcro and elastic ribbon. The wrist trap is connected with a wire or high conductive fabric belt for the purposes of grounding and removing the static electricity.

[0004] In general, a conventional wire is able to conduct and fully remove excessive static electricity. However, when contacting with a power source, the conventional wire that made of high conductor tends to conduct AC current to human body and causing harm which is extremely dangerous.

SUMMARY OF THE INVENTION

[0005] It is therefore a primary object of the present invention to provide a disposable wrist trap. Users will be able to fit the wrist trap to the wrist or ankles more conveniently and safely and to remove the entrained static electricity easily.

[0006] The further objective of the present invention to provide the above disposable wrist trap which is manufactured at low cost so that the wrist trap can be popularly used.

[0007] According to the above objects, the disposable wrist trap includes conductive fibers or yarns and in a fabric belt. The conductive fibers or yarns have a conductivity within 10 Ω/sq to 10⁷ Ω/sq is capable of removing a static electricity entrained by human body. The conductive fibers or yarns are used in a wide fabric which is cut into a slender belt. The wrist trap is manufactured at low cost. Therefore, a user, especially the one who rarely contacts with electronic parts will be able to fit the wrist trap to the wrist or ankles more conveniently and safely and to remove the entrained static electricity easily.

[0008] The present invention can be best understood through the following description and accompanying drawings wherein:

BRIEF DESCRIPTION OF THE DRAWINGS

[0009]FIG. 1 is a perspective view of the present invention;

[0010]FIG. 2 is a sectional view taken along line A-A of FIG. 1;

[0011]FIG. 3 shows one embodiment of the present invention;

[0012]FIG. 4 shows other embodiment of the present invention;

[0013]FIG. 5 shows another embodiment of the present invention;

[0014]FIG. 6 shows the application of the present invention in one state;

[0015]FIG. 7 shows the application of the present invention in other state; and

[0016]FIG. 8 shows the application of the present invention in another state.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Please refer to FIGS. 1 and 2. The disposable wrist lace of the present invention includes fibers 1 and a fabric belt 2.

[0018] The fibers 1 are specifically processed to cause a conductivity within 10 Ω/sq to 10⁷ Ω/sq. The fibers 1 form a semiconductor fiber, which are able to effectively remove static electricity.

[0019] The fabric belt 2 is made of soft cotton or synthesized filament material. The fibers 1 are used to form a wide fabric. The fibers 1 are hidden in the fabric belt 2 and then cut into a slender belt. One end of the belt is wound into a small circle and stitched by a conductive string to form a loop 3. The other end is provided with conductive adhesive and adhered with a copper foil 4. Accordingly, a user will be able to fit the wrist trap to the wrist or ankles more conveniently and safely without interfering with the operation as shown in FIG. 3.

[0020] Alternatively, the other end of the fabric belt 2 has a fixed metal insertion terminal 5 for inserting into an indoor socket with grounding socket as shown in FIG. 4. Hence, a clip member 6 is fitted on the insertion terminal 5 for clipping a specific place as shown in FIG. 5. Accordingly, the wrist trap can be used in accordance with the conditions of the working site.

[0021] Referring to FIGS. 6 and 7, in practical, a user only needs to wind one end of the wrist trap on the wrist to form a circle and pass the other end of the wrist trap with the copper foil 4 through the loop 3 and extend the end out of the loop 3. Then, the end with the copper foil 4 is adhered to a certain place by means of the conductive adhesive. Alternatively, the insertion terminal 5 is inserted into the grounding socket of a general indoor socket. Alternatively, the clip member 6 is used to clip a certain place to fix the end as shown in FIGS. 6 and 7. Accordingly, the grounding can be easily completed and the static electricity entrained by the user can be easily removed so as to avoid damage of the internal circuit of electronic parts.

[0022] In addition, the wrist trap can also be applied to a user's foot. Referring to FIG. 8, the fabric belt 2 is simplified and only one end thereof is provided with conductive adhesive. The end with the conductive adhesive is adhered to the bottom of the sole of the shoe, while the other end is placed into the shoe. When a worker wears the shoe, the foot will contact with the fabric belt 2 to remove the static electricity. In the case that the worker wears a sock, the end of the fabric belt 2 is placed into the sock to directly contact with the foot of the worker so as to remove the static electricity.

[0023] The semiconductor fiber 1 of the present invention has very safe conductivity so that the expensive resistor (1 MΩ) of the conventional wrist trap can be omitted. In addition, the cost for the fabric of the fiber 1 is very cheap so that the manufacturing cost is reduced. Accordingly, for those who rarely open the electronic or computer main frame to adjust parts thereof, the disposable wrist trap can be easily used at low cost.

[0024] The above embodiments are only used to illustrate the present invention, not intended to limit the scope thereof. Many modifications of the above embodiments can be made without departing from the spirit of the present invention. 

What is claimed is:
 1. Disposable wrist trap comprising with a fabric belt in which conductive fibers or yarns are used to form a wide fabric, the fabric being then cut into a slender belt, one end of the belt being wound into a small circle and stitched by a conductive string to form a loop, the other end being provided with conductive adhesive and adhered with a copper foil, whereby a user will be able to fit the wrist trap to the wrist or ankles more conveniently and comfortably.
 2. Disposable wrist lace as claimed in claim 1, wherein the conductive fibers and yarns are specifically processed to have a conductivity within 10 Ω/sq to 10⁷ Ω/sq.
 3. Disposable wrist trap as claimed in claim 1, wherein one end of the fabric belt forms a loop, while the other end of the fabric belt has a fixed metal insertion terminal for inserting into an indoor socket with grounding socket.
 4. Disposable wrist trap as claimed in claim 1 or 3, wherein a clip member is fitted on the end of the fabric belt with the insertion terminal.
 5. Disposable wrist trap as claimed in claim 1, wherein the end of the fabric belt free from the loop is directly provided with conductive adhesive without copper foil. 